this derivation will be built:
  /nix/store/im8frkkgr6khax09svnsj49x98zcgcyd-treefmt-check.drv
building '/nix/store/im8frkkgr6khax09svnsj49x98zcgcyd-treefmt-check.drv'
building '/nix/store/im8frkkgr6khax09svnsj49x98zcgcyd-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 514 files
treefmt-check> emitted 125 files for processing
treefmt-check> formatted 125 files (0 changed) in 496ms